Fly wheel cover help please
 

I have a 1970 chevelle SS 454 with the Muncie 22 4-speed. I need to buy a fly wheel dust cover but don't know if I need the one that fits the 10" clutch or 11". Could it be either or is my set up specifically one or the the other? I have only had this car for a month and am still learning about it so I appreciate the help in advance.

I wish I could help but all mine are automatics but someone will chime in that knows.

I don't know either.

I have a aluminum GM bell housing with the GM part number stamped on the bell housing just above the starter which is 3899621. I have an 11" clutch.

Here's a new one.

http://www.ss396.com/mm5/merchant.mv...NSPECTIONCOVER

Thanks guys. I found the parts new also. Just not sure which to buy. I will check my staped number.
Black 72, is yours a Muncie 22?

That should have an 11" clutch. Guess it could have a 10 but the bell housing on an M22 mated to a 454 should take the 11" cover plate.